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Used Cars for Sale
GMC
Sierra 2500
SLT
Used GMC Sierra 2500 SLT for Sale in Boulder, CO
80302
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(79)
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(52)
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(2)
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(1)
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(3)
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(3)
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(2)
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(2)
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(1)
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(1)
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(1)
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(2)
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2500HD SLT Gas Premium Plus Package
(1)
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LPO, GMC Protection Package
Graphite Blue Metallic Edition
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GMC
Models
Sierra 2500
Acadia
(79)
Caballero
Canyon
(52)
Envoy
(1)
Envoy XL
Envoy XUV
G1500
G2500
G3500
(1)
Hummer EV
(12)
Jimmy
(1)
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
(1)
Savana 1500
(3)
Savana 2500
(5)
Savana 3500
(13)
Savana 4500
Sierra 1500
(316)
Sierra 2500
(101)
Sierra 3500
(68)
Sierra EV
(1)
Sonoma
Suburban
Syclone
Terrain
(105)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(115)
Yukon XL
(67)
Sierra 2500 Trims
SLT
AT4
(17)
AT4X
(5)
Classic SL
Classic SLE
Classic SLT
Classic W/T
Denali
(38)
Denali Ultimate
(7)
Pro
(8)
SL
SLE
(9)
SLT
(13)
W/T
SLT Package
Any
Onstar Plus Package
SLT Preferred Package
SLT Premium Plus Package
LPO, Hitch Package
(2)
All Terrain HD Package
Sun And Navigation Package
Snow Plow Prep Package
SLT Convenience Package
(2)
Convenience Package
(2)
Max Trailering Package
(1)
License Plate Front Mounting Package
Gooseneck/5th Wheel Prep Package
(1)
EZ-Lift Tailgate Package
(2)
X31 Off-Road and Protection Package
Texas SLT Premium Package
LPO, Cargo Convenience Package
Driver Alert Package II
(1)
LPO, GMC Interior Protection Package
LPO, Chrome Appearance Package
Sierra HD Pro Safety Plus Package
Heavy Duty Front Spring/Camper Package
X31 Off-Road Package
(3)
Entertainment Package, Rear Seat DVD/Blu-Ray Player
LPO, Black Badging Package
SLT Premium Package
(3)
Duramax Plus Package
(2)
Suspension Package, Off-Road
(2)
Skid Plate Package, Frame-Mounted Shields
(1)
Texas Edition SLT Premium Plus Package
Heavy-Duty Power Package
(1)
Driver Alert Package
Z71 Off-Road Package
(1)
Driver Alert Package I
Deep Indigo Metallic Edition
All Terrain X HD Package
LPO, On The Job Package
LPO, Protection Package
Snow Plow Prep/Camper Package
Gooseneck/5TH Wheel Prep Package
(1)
Gooseneck/5TH Wheel Package
(2)
Technology Package
Mocha Steel Metallic Edition
LPO, Assist Step and Floor Liner Package
SLT Preferred Equipment Group
Skid Plate Package
2500HD SLT Gas Premium Plus Package
(1)
All-Terrain HD Package
Entertainment Package
LPO, GMC Protection Package
Graphite Blue Metallic Edition
Add Another Make
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(13)
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(24)
Used
(13)
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(11)
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(2)
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(0)
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(11)
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(2)
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(0)
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(0)
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(11)
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(2)
Include unspecified lengths
(0)
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Medium
(11)
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(2)
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Used 2021 GMC Sierra 2500 AT4 w/ Gooseneck/5TH Wheel Package
51,996
Good Price
Similar Match
69
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Used
2025 GMC Sierra 2500
SLT
73K mi
60,989
See payment
No Accidents
Sponsored
Used
2024 GMC Sierra 2500
SLT
41K mi
61,999
See payment
Great Price
No Accidents
Sponsored
Used
2008 GMC Sierra 2500
SLT
201K mi
18,950
See payment
No Accidents
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Used
2008 GMC Sierra 2500
SLT
201K mi
18,950
See payment
No Accidents
 CarBravo Certified
2019 GMC Sierra 2500
SLT
96K mi
43,985
See payment
Good Price
No Accidents
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2025 GMC Sierra 2500
SLT
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78,182
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Used
2022 GMC Sierra 2500
SLT
82K mi
41,000
See payment
Great Price
Used
2024 GMC Sierra 2500
SLT
41K mi
61,999
See payment
Great Price
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Used
2026 GMC Sierra 2500
SLT
1K mi
68,590
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2022 GMC Sierra 2500
SLT
95K mi
41,965
See payment
Good Price
No Accidents
Used
2017 GMC Sierra 2500
SLT
81K mi
39,999
See payment
No Accidents
Advertisement
Price Drop
Used
2025 GMC Sierra 2500
SLT
73K mi
60,989
See payment
No Accidents
Used
2021 GMC Sierra 2500
SLT
76K mi
50,399
See payment
Good Price
No Accidents
Used
2019 GMC Sierra 2500
SLT
109K mi
37,000
See payment
Great Price
Price Drop
Used
2005 GMC Sierra 2500
SLT
375K mi
6,400
See payment
Good Price
No Accidents
Newly Listed
Used
2007 GMC Sierra 2500
SLT
212K mi
17,999
See payment
No Accidents
Used
2022 GMC Sierra 2500
SLT
77K mi
Contact Dealer For Price
See payment
No Accidents
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